Re: Stable backport request for linux-4.4.y

[Greg KH]

On Sun, May 31, 2020 at 12:29:55PM +0800, chenxb_99091@xxxxxxx wrote:
> From: Xuebing Chen <chenxb_99091@xxxxxxx>
> 
> In linux-4.4.y,the <include/drm/drm_crtc.h> provides drm_for_each_plane_mask macro 
> and plane_mask is defined as bitmask of plane indices, such as
> 1 << drm_plane_index(plane). There is an error setting of plane_mask
> in pan_display_atomic() function.
> 
> Please backport the following patch to the 4.4.y kernel stable tree:
> commit 7118fd9bd975a9f3093239d4c0f4e15356b57fab 
> ("drm/fb-helper: Use proper plane mask for fb cleanup")
> The above patch fixes error setting of plane_mask in pan_display_atomic() function.
>     
> Cc: stable@xxxxxxxxxxxxxxx
> Cc: linux-kernel@xxxxxxxxxxxxxxx
> Signed-off-by: Xuebing Chen <chenxb_99091@xxxxxxx>
> 
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Now queued up, thanks.

greg k-h